package com.xgzit.xgzmall.order.web;

import com.xgzit.common.exception.NoStockException;
import com.xgzit.xgzmall.order.service.OrderService;
import com.xgzit.xgzmall.order.vo.OrderConfirmVo;
import com.xgzit.xgzmall.order.vo.OrderSubmitVo;
import com.xgzit.xgzmall.order.vo.SubmitOrderResponseVo;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.concurrent.ExecutionException;

/**
 * @Author xgz
 * @Date 2021-06-26 19:05
 */
@Slf4j
@Controller
public class OrderWebController {

    @Autowired
    OrderService orderService;

    @GetMapping("/toTrade")
    public String toTrade(Model model) throws ExecutionException, InterruptedException {
        OrderConfirmVo vo = orderService.confirmOrder();
        model.addAttribute("orderConfirmData", vo);

        return "confirm";
    }

    @PostMapping("/sublimOrder")
    public String submitOrder(OrderSubmitVo vo, Model model, RedirectAttributes redirectAttributes){

        try{
            SubmitOrderResponseVo responseVo =  orderService.submitOrder(vo);
            log.info("订单提交的数据{}", vo.toString());
            if (responseVo.getCode() == 0){
                // 下单成功，去支付页，
                model.addAttribute("submitOrderResp", responseVo);
                return "pay";
            }else{
                // 失败则重新确认订单信息
                String msg = "下单失败;原因是：";
                switch (responseVo.getCode()){
                    case 1: msg += "订单信息过期，请刷新再次提交";break;
                    case 2: msg += "订单商品价格发生变化，请确认后再次提交"; break;
                    case 3: msg += "商品库存不足";
                }
                redirectAttributes.addFlashAttribute("msg", msg);
                return "redirect:http://order.xgzmall.com/toTrade";
            }
        }
        catch (Exception e){
            if (e instanceof NoStockException){
                String message = ((NoStockException) e).getMessage();
                redirectAttributes.addFlashAttribute("msg", message);
            }
             return "redirect:http://order.xgzmall.com/toTrade";
        }

    }
}
